He unquestionably knows that a terrific part of the unhappi- ness of day-to-day life arises from these types of inner thoughts. The bloodshed, lies, and loss of lifetime that marks the previous decade is an indelible stain upon the character of this country and her citizens. Marshall McCluhan ""If equally the past and the external environment exist only in the intellect, and if the brain by itself is controllable--what then?